Data as of Nov 14, 2026
31.40.237.0/24
No anonymizer space · no proxy exits in 30 daysCKW Fiber Services AG · space held by smaro GmbH
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 31.40.236.0/22 | 1,024 | CH-SMARO-20181109 | smaro GmbH (ORG-SG301-RIPE) · CH | ALLOCATED PA | Nov 9, 2018 | support@ |
| └ 31.40.237.0/24 | 256 | CH-SMARO-CS-2 | unknown | ASSIGNED PA | Sep 5, 2022 | support@ via CH-SMARO-20181109 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- smaro GmbH
- Handle
- ORG-SG301-RIPE
- Range
- 31.
40. 236. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Nov 9, 2018
Origin network
AS198433
CH
- Name
- CKW Fiber Services AG
- Type
- Internet provider
- Registered
- Jan 26, 2012
- Domain
- ckw.ch
- Website
- www.ckw.ch/fiber-services/uebersicht-fiber-services.html
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2022
- Current origin since
- Sep 2022 · 4.2 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 31.
40. 237. 0/ 24 - Netname
- CH-SMARO-CS-2
- Registrant country
- CH
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Sep 5, 2022
- Updated
- Sep 5, 2022
- Maintainer
- SMARO-MNT
- RIR
- RIPE NCC
- Country
- CH
- Delegated
- Nov 9, 2018
- Status
- assigned
Report abuse
Abuse contact
- support@
smaro. ch - Name
- Abuse-C Role
- Handle
- AR49160-RIPE